Y \ X
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
10270
10269
10268
10267
10266
10265
10264
10263
10262
10261
10260
10259
10258
10257
10256
10255
10254
10253
10252
10251
10250